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735a74901fad8b08aa5e24e988d68ec331be52e1
codeocean/db/schema.rb
Sebastian Serth 735a74901f Update ACE Editor to version 1.2.0 
Previously, we were at an ACE editor published between 1.1.8 and 1.1.9. This caused multiple issues and was especially a problem for the upcoming pair programming feature. Further, updating ace is a long-time priority, see https://github.com/openHPI/codeocean/issues/250.

Now, we are not yet updating to the latest version, but rather to the next minor version. This already contains breaking changes, and we are currently interested to keep the number of changes as low as possible. Further updating ACE might be still a future task.

The new ACE version 1.2.0 is taken from this tag: https://github.com/ajaxorg/ace-builds/releases/tag/v1.2.0.
We are using the src build (not minified, not in the noconflict version), since the same was used before as well.

Further, we need to change our migration for storing editor events. Since the table is not yet used (in production), we also update the enum.
2023-09-12 16:41:33 +02:00

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# This file is auto-generated from the current state of the database. Instead
# of editing this file, please use the migrations feature of Active Record to
# incrementally modify your database, and then regenerate this schema definition.
#
# This file is the source Rails uses to define your schema when running `bin/rails
# db:schema:load`. When creating a new database, `bin/rails db:schema:load` tends to
# be faster and is potentially less error prone than running all of your
# migrations from scratch. Old migrations may fail to apply correctly if those
# migrations use external dependencies or application code.
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema[7.0].define(version: 2023_09_12_142620) do
# These are extensions that must be enabled in order to support this database
enable_extension "pg_trgm"
enable_extension "pgcrypto"
enable_extension "plpgsql"
create_table "anomaly_notifications", id: :serial, force: :cascade do |t|
t.integer "contributor_id", null: false
t.string "contributor_type", null: false
t.integer "exercise_id", null: false
t.integer "exercise_collection_id", null: false
t.jsonb "reason"
t.datetime "created_at"
t.datetime "updated_at"
t.index ["contributor_type", "contributor_id"], name: "index_anomaly_notifications_on_contributor"
t.index ["exercise_collection_id"], name: "index_anomaly_notifications_on_exercise_collection_id"
t.index ["exercise_id"], name: "index_anomaly_notifications_on_exercise_id"
end
create_table "authentication_tokens", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
t.string "shared_secret", null: false
t.string "user_type", null: false
t.bigint "user_id", null: false
t.datetime "expire_at", null: false
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.bigint "study_group_id"
t.index ["shared_secret"], name: "index_authentication_tokens_on_shared_secret", unique: true
t.index ["study_group_id"], name: "index_authentication_tokens_on_study_group_id"
t.index ["user_type", "user_id"], name: "index_authentication_tokens_on_user"
end
create_table "codeharbor_links", id: :serial, force: :cascade do |t|
t.string "api_key"
t.datetime "created_at"
t.datetime "updated_at"
t.integer "user_id"
t.string "push_url"
t.string "check_uuid_url"
t.string "user_type"
t.index ["user_type", "user_id"], name: "index_codeharbor_links_on_user_type_and_user_id"
end
create_table "comments", id: :serial, force: :cascade do |t|
t.integer "user_id"
t.integer "file_id"
t.string "user_type"
t.integer "row"
t.integer "column"
t.text "text"
t.datetime "created_at"
t.datetime "updated_at"
t.index ["file_id"], name: "index_comments_on_file_id"
t.index ["user_id"], name: "index_comments_on_user_id"
end
create_table "community_solution_contributions", force: :cascade do |t|
t.bigint "community_solution_id", null: false
t.bigint "study_group_id"
t.string "user_type", null: false
t.bigint "user_id", null: false
t.bigint "community_solution_lock_id", null: false
t.boolean "proposed_changes", null: false
t.boolean "timely_contribution", null: false
t.boolean "autosave", null: false
t.interval "working_time", null: false
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index ["community_solution_id", "timely_contribution", "autosave", "proposed_changes"], name: "index_community_solution_valid_contributions"
t.index ["community_solution_lock_id"], name: "index_community_solution_contributions_lock"
t.index ["user_type", "user_id"], name: "index_community_solution_contributions_on_user"
end
create_table "community_solution_locks", force: :cascade do |t|
t.bigint "community_solution_id", null: false
t.string "user_type", null: false
t.bigint "user_id", null: false
t.datetime "locked_until"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index ["community_solution_id", "locked_until"], name: "index_community_solution_locks_until", unique: true
t.index ["user_type", "user_id"], name: "index_community_solution_locks_on_user"
end
create_table "community_solutions", force: :cascade do |t|
t.bigint "exercise_id", null: false
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index ["exercise_id"], name: "index_community_solutions_on_exercise_id"
end
create_table "consumers", id: :serial, force: :cascade do |t|
t.string "name"
t.datetime "created_at"
t.datetime "updated_at"
t.string "oauth_key"
t.string "oauth_secret"
t.integer "rfc_visibility", limit: 2, default: 0, null: false, comment: "Used as enum in Rails"
end
create_table "error_template_attributes", id: :serial, force: :cascade do |t|
t.string "key"
t.string "regex"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.text "description"
t.boolean "important"
end
create_table "error_template_attributes_templates", id: false, force: :cascade do |t|
t.integer "error_template_id", null: false
t.integer "error_template_attribute_id", null: false
end
create_table "error_templates", id: :serial, force: :cascade do |t|
t.integer "execution_environment_id"
t.string "name"
t.string "signature"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.text "description"
t.text "hint"
end
create_table "events", id: :serial, force: :cascade do |t|
t.string "category"
t.string "data"
t.integer "user_id"
t.string "user_type"
t.integer "exercise_id"
t.integer "file_id"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.bigint "programming_group_id"
t.bigint "study_group_id"
t.index ["programming_group_id"], name: "index_events_on_programming_group_id"
t.index ["study_group_id"], name: "index_events_on_study_group_id"
end
create_table "events_synchronized_editor", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
t.bigint "programming_group_id", null: false
t.bigint "study_group_id", null: false
t.string "user_type", null: false
t.bigint "user_id", null: false
t.integer "action", limit: 2, default: 0, null: false, comment: "Used as enum in Rails"
t.integer "status", limit: 2, comment: "Used as enum in Rails"
t.bigint "file_id"
t.integer "editor_action", limit: 2, comment: "Used as enum in Rails"
t.integer "range_start_row"
t.integer "range_start_column"
t.integer "range_end_row"
t.integer "range_end_column"
t.text "lines", array: true
t.jsonb "data"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.uuid "session_id"
t.index ["file_id"], name: "index_events_synchronized_editor_on_file_id"
t.index ["programming_group_id"], name: "index_events_synchronized_editor_on_programming_group_id"
t.index ["study_group_id"], name: "index_events_synchronized_editor_on_study_group_id"
t.index ["user_type", "user_id"], name: "index_events_synchronized_editor_on_user"
end
create_table "execution_environments", id: :serial, force: :cascade do |t|
t.string "docker_image"
t.string "name"
t.datetime "created_at"
t.datetime "updated_at"
t.string "run_command"
t.string "test_command"
t.string "testing_framework"
t.text "help"
t.integer "permitted_execution_time"
t.integer "user_id"
t.string "user_type"
t.integer "pool_size"
t.integer "file_type_id"
t.integer "memory_limit"
t.boolean "network_enabled"
t.integer "cpu_limit", default: 20, null: false
t.integer "exposed_ports", default: [], array: true
t.boolean "privileged_execution", default: false, null: false
end
create_table "exercise_collection_items", id: :serial, force: :cascade do |t|
t.integer "exercise_collection_id"
t.integer "exercise_id"
t.integer "position", default: 0, null: false
t.index ["exercise_collection_id"], name: "index_exercise_collection_items_on_exercise_collection_id"
t.index ["exercise_id"], name: "index_exercise_collection_items_on_exercise_id"
end
create_table "exercise_collections", id: :serial, force: :cascade do |t|
t.string "name"
t.datetime "created_at"
t.datetime "updated_at"
t.boolean "use_anomaly_detection", default: false
t.integer "user_id"
t.string "user_type"
t.index ["user_type", "user_id"], name: "index_exercise_collections_on_user_type_and_user_id"
end
create_table "exercise_tags", id: :serial, force: :cascade do |t|
t.integer "exercise_id"
t.integer "tag_id"
t.integer "factor", default: 1
end
create_table "exercise_tips", force: :cascade do |t|
t.bigint "exercise_id", null: false
t.bigint "tip_id", null: false
t.integer "rank", null: false
t.bigint "parent_exercise_tip_id"
t.index ["exercise_id", "rank"], name: "index_exercise_tips_on_exercise_id_and_rank"
t.index ["exercise_id"], name: "index_exercise_tips_on_exercise_id"
t.index ["parent_exercise_tip_id"], name: "index_exercise_tips_on_parent_exercise_tip_id"
t.index ["tip_id"], name: "index_exercise_tips_on_tip_id"
end
create_table "exercises", id: :serial, force: :cascade do |t|
t.text "description"
t.integer "execution_environment_id"
t.string "title"
t.datetime "created_at"
t.datetime "updated_at"
t.integer "user_id"
t.text "instructions"
t.boolean "public"
t.string "user_type"
t.string "token"
t.boolean "hide_file_tree"
t.boolean "allow_file_creation"
t.boolean "allow_auto_completion", default: false
t.integer "expected_difficulty", default: 1
t.uuid "uuid"
t.boolean "unpublished", default: false
t.datetime "submission_deadline"
t.datetime "late_submission_deadline"
t.index ["id"], name: "index_exercises_on_id"
t.index ["id"], name: "index_unpublished_exercises", where: "(NOT unpublished)"
t.index ["title"], name: "index_exercises_on_title", opclass: :gin_trgm_ops, using: :gin
end
create_table "exercises_proxy_exercises", id: false, force: :cascade do |t|
t.integer "proxy_exercise_id"
t.integer "exercise_id"
t.datetime "created_at"
t.datetime "updated_at"
t.index ["exercise_id"], name: "index_exercises_proxy_exercises_on_exercise_id"
t.index ["proxy_exercise_id"], name: "index_exercises_proxy_exercises_on_proxy_exercise_id"
end
create_table "external_users", id: :serial, force: :cascade do |t|
t.integer "consumer_id"
t.string "email"
t.string "external_id"
t.string "name"
t.datetime "created_at"
t.datetime "updated_at"
t.boolean "platform_admin", default: false, null: false
end
create_table "file_templates", id: :serial, force: :cascade do |t|
t.string "name"
t.text "content"
t.integer "file_type_id"
t.datetime "created_at"
t.datetime "updated_at"
end
create_table "file_types", id: :serial, force: :cascade do |t|
t.string "editor_mode"
t.string "file_extension"
t.integer "indent_size"
t.string "name"
t.integer "user_id"
t.datetime "created_at"
t.datetime "updated_at"
t.boolean "executable"
t.boolean "renderable"
t.string "user_type"
t.boolean "binary"
end
create_table "files", id: :serial, force: :cascade do |t|
t.text "content"
t.integer "context_id"
t.string "context_type"
t.integer "file_id"
t.integer "file_type_id"
t.boolean "hidden"
t.string "name"
t.boolean "read_only"
t.datetime "created_at"
t.datetime "updated_at"
t.string "native_file"
t.string "role"
t.string "hashed_content"
t.string "feedback_message"
t.float "weight"
t.string "path"
t.integer "file_template_id"
t.boolean "hidden_feedback", default: false, null: false
t.index ["context_id", "context_type"], name: "index_files_on_context_id_and_context_type"
end
create_table "internal_users", id: :serial, force: :cascade do |t|
t.integer "consumer_id"
t.string "email"
t.string "name"
t.datetime "created_at"
t.datetime "updated_at"
t.string "crypted_password"
t.string "salt"
t.integer "failed_logins_count", default: 0
t.datetime "lock_expires_at"
t.string "unlock_token"
t.string "remember_me_token"
t.datetime "remember_me_token_expires_at"
t.string "reset_password_token"
t.datetime "reset_password_token_expires_at"
t.datetime "reset_password_email_sent_at"
t.string "activation_state"
t.string "activation_token"
t.datetime "activation_token_expires_at"
t.boolean "platform_admin", default: false, null: false
t.index ["activation_token"], name: "index_internal_users_on_activation_token"
t.index ["email"], name: "index_internal_users_on_email", unique: true
t.index ["remember_me_token"], name: "index_internal_users_on_remember_me_token"
t.index ["reset_password_token"], name: "index_internal_users_on_reset_password_token"
end
create_table "interventions", id: :serial, force: :cascade do |t|
t.string "name"
t.text "markup"
t.datetime "created_at"
t.datetime "updated_at"
end
create_table "linter_check_runs", force: :cascade do |t|
t.bigint "linter_check_id", null: false
t.string "scope"
t.integer "line"
t.text "result"
t.bigint "testrun_id", null: false
t.bigint "file_id", null: false
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index ["file_id"], name: "index_linter_check_runs_on_file_id"
t.index ["linter_check_id"], name: "index_linter_check_runs_on_linter_check_id"
t.index ["testrun_id"], name: "index_linter_check_runs_on_testrun_id"
end
create_table "linter_checks", force: :cascade do |t|
t.string "name", null: false
t.string "code", null: false
t.string "severity"
end
create_table "lti_parameters", force: :cascade do |t|
t.integer "external_user_id", null: false
t.integer "exercise_id", null: false
t.jsonb "lti_parameters", default: {}, null: false
t.datetime "created_at"
t.datetime "updated_at"
t.bigint "study_group_id"
t.index ["external_user_id", "study_group_id", "exercise_id"], name: "index_lti_params_on_external_user_and_study_group_and_exercise", unique: true
t.index ["external_user_id"], name: "index_lti_parameters_on_external_user_id"
t.index ["study_group_id"], name: "index_lti_parameters_on_study_group_id"
end
create_table "pair_programming_exercise_feedbacks", force: :cascade do |t|
t.bigint "exercise_id", null: false
t.bigint "submission_id", null: false
t.string "user_type", null: false
t.bigint "user_id", null: false
t.bigint "programming_group_id"
t.bigint "study_group_id", null: false
t.integer "difficulty"
t.integer "user_estimated_worktime"
t.integer "reason_work_alone"
t.float "normalized_score"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index ["exercise_id"], name: "index_pair_programming_exercise_feedbacks_on_exercise_id"
t.index ["programming_group_id"], name: "pp_feedback_programming_group"
t.index ["study_group_id"], name: "index_pair_programming_exercise_feedbacks_on_study_group_id"
t.index ["submission_id"], name: "index_pair_programming_exercise_feedbacks_on_submission_id"
t.index ["user_type", "user_id"], name: "index_pair_programming_exercise_feedbacks_on_user"
end
create_table "programming_group_memberships", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
t.bigint "programming_group_id", null: false
t.string "user_type", null: false
t.bigint "user_id", null: false
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index ["programming_group_id"], name: "index_programming_group_memberships_on_programming_group_id"
t.index ["user_type", "user_id"], name: "index_programming_group_memberships_on_user"
end
create_table "programming_groups", force: :cascade do |t|
t.bigint "exercise_id", null: false
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index ["exercise_id"], name: "index_programming_groups_on_exercise_id"
end
create_table "proxy_exercises", id: :serial, force: :cascade do |t|
t.string "title"
t.string "description"
t.string "token"
t.datetime "created_at"
t.datetime "updated_at"
t.string "user_type"
t.bigint "user_id"
t.boolean "public", default: false, null: false
t.integer "algorithm", limit: 2, default: 0, null: false, comment: "Used as enum in Rails"
t.index ["user_type", "user_id"], name: "index_proxy_exercises_on_user_type_and_user_id"
end
create_table "remote_evaluation_mappings", id: :serial, force: :cascade do |t|
t.integer "user_id", null: false
t.integer "exercise_id", null: false
t.string "validation_token", null: false
t.datetime "created_at"
t.datetime "updated_at"
t.string "user_type"
t.bigint "study_group_id"
t.index ["study_group_id"], name: "index_remote_evaluation_mappings_on_study_group_id"
end
create_table "request_for_comments", id: :serial, force: :cascade do |t|
t.integer "user_id", null: false
t.integer "exercise_id", null: false
t.integer "file_id", null: false
t.datetime "created_at"
t.datetime "updated_at"
t.string "user_type"
t.text "question"
t.boolean "solved", default: false
t.integer "submission_id"
t.text "thank_you_note"
t.boolean "full_score_reached", default: false
t.integer "times_featured", default: 0
t.index ["exercise_id", "created_at"], name: "index_unresolved_recommended_rfcs", where: "(((NOT solved) OR (solved IS NULL)) AND ((question IS NOT NULL) AND (question <> ''::text)))"
t.index ["exercise_id"], name: "index_request_for_comments_on_exercise_id"
t.index ["submission_id"], name: "index_request_for_comments_on_submission_id"
t.index ["user_id", "user_type", "created_at"], name: "index_rfc_on_user_and_created_at", order: { created_at: :desc }
end
create_table "runners", force: :cascade do |t|
t.string "runner_id"
t.bigint "execution_environment_id"
t.string "contributor_type"
t.bigint "contributor_id"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index ["contributor_type", "contributor_id"], name: "index_runners_on_user"
t.index ["execution_environment_id"], name: "index_runners_on_execution_environment_id"
end
create_table "searches", id: :serial, force: :cascade do |t|
t.integer "exercise_id", null: false
t.integer "user_id", null: false
t.string "user_type", null: false
t.string "search"
t.datetime "created_at"
t.datetime "updated_at"
end
create_table "structured_error_attributes", id: :serial, force: :cascade do |t|
t.integer "structured_error_id"
t.integer "error_template_attribute_id"
t.string "value"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.boolean "match"
t.index ["structured_error_id"], name: "index_structured_error_attributes_on_structured_error_id"
end
create_table "structured_errors", id: :serial, force: :cascade do |t|
t.integer "error_template_id"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.integer "submission_id"
t.index ["submission_id"], name: "index_structured_errors_on_submission_id"
end
create_table "study_group_memberships", force: :cascade do |t|
t.bigint "study_group_id"
t.string "user_type"
t.bigint "user_id"
t.integer "role", limit: 2, default: 0, null: false, comment: "Used as enum in Rails"
t.index ["study_group_id"], name: "index_study_group_memberships_on_study_group_id"
t.index ["user_type", "user_id"], name: "index_study_group_memberships_on_user"
end
create_table "study_groups", force: :cascade do |t|
t.string "name"
t.string "external_id"
t.bigint "consumer_id"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index ["consumer_id"], name: "index_study_groups_on_consumer_id"
t.index ["external_id", "consumer_id"], name: "index_study_groups_on_external_id_and_consumer_id", unique: true
end
create_table "submissions", id: :serial, force: :cascade do |t|
t.integer "exercise_id"
t.float "score"
t.integer "contributor_id", null: false
t.datetime "created_at"
t.datetime "updated_at"
t.string "cause"
t.string "contributor_type", null: false
t.bigint "study_group_id"
t.index ["contributor_id"], name: "index_submissions_on_contributor_id"
t.index ["exercise_id"], name: "index_submissions_on_exercise_id"
t.index ["study_group_id"], name: "index_submissions_on_study_group_id"
end
create_table "subscriptions", id: :serial, force: :cascade do |t|
t.integer "user_id"
t.string "user_type"
t.integer "request_for_comment_id"
t.string "subscription_type"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.boolean "deleted"
t.bigint "study_group_id"
t.index ["study_group_id"], name: "index_subscriptions_on_study_group_id"
end
create_table "tags", id: :serial, force: :cascade do |t|
t.string "name", null: false
t.datetime "created_at"
t.datetime "updated_at"
end
create_table "testrun_execution_environments", force: :cascade do |t|
t.bigint "testrun_id", null: false
t.bigint "execution_environment_id", null: false
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index ["execution_environment_id"], name: "index_testrun_execution_environments"
t.index ["testrun_id"], name: "index_testrun_execution_environments_on_testrun_id"
end
create_table "testrun_messages", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
t.bigint "testrun_id", null: false
t.interval "timestamp", default: "PT0S", null: false
t.integer "cmd", limit: 2, default: 1, null: false, comment: "Used as enum in Rails"
t.integer "stream", limit: 2, comment: "Used as enum in Rails"
t.text "log"
t.jsonb "data"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index ["testrun_id"], name: "index_testrun_messages_on_testrun_id"
t.check_constraint "log IS NULL OR data IS NULL", name: "either_data_or_log"
end
create_table "testruns", id: :serial, force: :cascade do |t|
t.boolean "passed"
t.text "output"
t.integer "file_id"
t.integer "submission_id", null: false
t.datetime "created_at"
t.datetime "updated_at"
t.string "cause"
t.interval "container_execution_time"
t.interval "waiting_for_container_time"
t.integer "exit_code", limit: 2, comment: "No exit code is available in case of a timeout"
t.integer "status", limit: 2, default: 0, null: false, comment: "Used as enum in Rails"
t.string "user_type", null: false
t.bigint "user_id", null: false
t.index ["submission_id"], name: "index_testruns_on_submission_id"
t.index ["user_type", "user_id"], name: "index_testruns_on_user"
t.check_constraint "exit_code >= 0 AND exit_code <= 255", name: "exit_code_constraint"
end
create_table "tips", force: :cascade do |t|
t.string "title"
t.text "description"
t.text "example"
t.bigint "file_type_id"
t.string "user_type", null: false
t.bigint "user_id", null: false
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index ["file_type_id"], name: "index_tips_on_file_type_id"
t.index ["user_type", "user_id"], name: "index_tips_on_user"
end
create_table "user_exercise_feedbacks", id: :serial, force: :cascade do |t|
t.integer "exercise_id", null: false
t.integer "user_id", null: false
t.string "user_type", null: false
t.integer "difficulty"
t.integer "working_time_seconds"
t.string "feedback_text"
t.integer "user_estimated_worktime"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.float "normalized_score"
t.bigint "submission_id"
t.index ["submission_id"], name: "index_user_exercise_feedbacks_on_submission_id"
end
create_table "user_exercise_interventions", id: :serial, force: :cascade do |t|
t.integer "user_id"
t.string "user_type"
t.integer "exercise_id"
t.integer "intervention_id"
t.integer "accumulated_worktime_s"
t.text "reason"
t.datetime "created_at"
t.datetime "updated_at"
end
create_table "user_proxy_exercise_exercises", id: :serial, force: :cascade do |t|
t.integer "user_id"
t.string "user_type"
t.integer "proxy_exercise_id"
t.integer "exercise_id"
t.datetime "created_at"
t.datetime "updated_at"
t.string "reason"
t.index ["exercise_id"], name: "index_user_proxy_exercise_exercises_on_exercise_id"
t.index ["proxy_exercise_id"], name: "index_user_proxy_exercise_exercises_on_proxy_exercise_id"
t.index ["user_type", "user_id"], name: "index_user_proxy_exercise_exercises_on_user"
end
add_foreign_key "anomaly_notifications", "exercise_collections"
add_foreign_key "anomaly_notifications", "exercises"
add_foreign_key "authentication_tokens", "study_groups"
add_foreign_key "community_solution_contributions", "community_solution_locks"
add_foreign_key "community_solution_contributions", "community_solutions"
add_foreign_key "community_solution_contributions", "study_groups"
add_foreign_key "community_solution_locks", "community_solutions"
add_foreign_key "community_solutions", "exercises"
add_foreign_key "events", "programming_groups"
add_foreign_key "events", "study_groups"
add_foreign_key "events_synchronized_editor", "files"
add_foreign_key "events_synchronized_editor", "programming_groups"
add_foreign_key "events_synchronized_editor", "study_groups"
add_foreign_key "exercise_tips", "exercise_tips", column: "parent_exercise_tip_id"
add_foreign_key "exercise_tips", "exercises"
add_foreign_key "exercise_tips", "tips"
add_foreign_key "lti_parameters", "exercises"
add_foreign_key "lti_parameters", "external_users"
add_foreign_key "lti_parameters", "study_groups"
add_foreign_key "pair_programming_exercise_feedbacks", "exercises"
add_foreign_key "pair_programming_exercise_feedbacks", "programming_groups"
add_foreign_key "pair_programming_exercise_feedbacks", "study_groups"
add_foreign_key "pair_programming_exercise_feedbacks", "submissions"
add_foreign_key "programming_group_memberships", "programming_groups"
add_foreign_key "programming_groups", "exercises"
add_foreign_key "remote_evaluation_mappings", "study_groups"
add_foreign_key "structured_error_attributes", "error_template_attributes"
add_foreign_key "structured_error_attributes", "structured_errors"
add_foreign_key "structured_errors", "error_templates"
add_foreign_key "structured_errors", "submissions"
add_foreign_key "submissions", "study_groups"
add_foreign_key "subscriptions", "study_groups"
add_foreign_key "testrun_execution_environments", "execution_environments"
add_foreign_key "testrun_execution_environments", "testruns"
add_foreign_key "testrun_messages", "testruns"
add_foreign_key "testruns", "submissions"
add_foreign_key "tips", "file_types"
add_foreign_key "user_exercise_feedbacks", "submissions"
end
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